| EIS is acronym of |
A) Efficient Import Strategy
B) Environmentally Important Strategy
C) Energy Impact Statement
D) Environmental Impact Statement
| For large cities, the most suitable method for forecasting population is |
A) Comparative graphical method
B) Graphical method
C) Arithmetical increase method
D) Geometrical increase method
| If the population of a town in 3 consecutive decades was 1 lakh, 1.1 lakh and 1.2 lakh, respectively, then the population of this town in the fourth consecutive decade according to the geometric method would be |
A) 1.25 lakh
B) 1.33 lakh
C) 1.9 lakh
D) 2.1 lakh
| Coincident draft in relation to water demand is based on |
A) Peak hourly demand
B) Maximum daily demand
C) Maximum daily + fire demand
D) Peak hourly demand – fire demand
| The daily per capita consumption of water apparently increases with (a) Higher standard of living (b) Availability of sewerage in the city (c) Metered water supply (d) Wholesome and potable quality of water Which of these statements are correct? |
A) (a), (b) and (c)
B) (b), (c) and (d)
C) (a), (c) and (d)
D) (a), (b) and (d)
| A water supply scheme serves a population of 10,000 at the rate of 50 litres per capita per day. For chlorine dose of 2 ppm, the required amount of bleaching powder with 20% available chlorine will be |
A) 0.5 kg
B) 5 kg
C) 10 kg
D) 15 kg
| The purpose of providing a balancing reservoir in a water supply distribution system is to |
A) equalize pressure in the distribution system
B) store adequate quantity of water to meet requirements in case of break-down of inflow
C) store adequate fire fighting reserve
D) take care of fluctuations in the rate of consumption
| The water requirement per capita demand in litres/day/person for population of 20000 to 50000 is |
A) 110
B) 110-150
C) 150-240
D) 240-275
| In a city with a population of 70,000 water is drawn for domestic purpose from a bell-mouth intake in a canal which runs only for 10 hours a day with flow depth of 1.5 m. If the average consumption per person is 150 litres/day, then the intake load would be |
A) 30.9 m3/s
B) 242 litres/s
C) 321 litres/s
D) None of the above
| The multiplying factor, as applied to obtain the peak hourly demand, in relation to the maximum daily demand is: |
A) 1.5
B) 1.8
C) 2.0
D) 2.7
